Home / 3,841,873.12-5,301,786.72-2,122,993.59

Finding the Fourth Proportional to 3,841,873.12, 5,301,786.72 and 2,122,993.59

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Solution

The fourth proportional to 3,841,873.12, 5,301,786.72 and 2,122,993.59 is: 2,929,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,873.12 : 5,301,786.72 = 2,122,993.59 : x
  2. Step 2: Convert to fraction form
    3,841,873.12/5,301,786.72 = 2,122,993.59/x
  3. Step 3: Cross multiply
    3,841,873.12x = 5,301,786.72 × 2,122,993.59
  4. Step 4: Simplify right side
    3,841,873.12x = 11,255,659,222,107.12
  5. Step 5: Solve for x
    x = 11,255,659,222,107.12/3,841,873.12
  6. Step 6: Final answer
    x = 2,929,732.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.